diff options
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac index 33c9b5c2..1b62278f 100644 --- a/configure.ac +++ b/configure.ac @@ -17,6 +17,21 @@ LT_INIT([pic-only disable-static]) AC_CONFIG_MACRO_DIR([m4]) +dnl check for pkg-config +dnl * If pkg-config is missing, we get a "syntax error" for PKG_CHECK_MODULES. +dnl Instead, we want to say that pkg-config and pkg.m4 are missing. +dnl * The proper way is PKG_PROG_PKG_CONFIG() but unfortunately that does not +dnl produce an intelligible error message if pkg-config is missing entirely +dnl ("syntax error near unexpected token `0.20'"). +dnl * To produce a hint that pkg-config is missing, check for the pkg-config +dnl binary; but AC_PATH_PROG breaks if the distribution provides only +dnl prefixed (<arch>-pkg-config) versions, so just print a warning. +AC_PATH_PROG(PKG_CONFIG_INSTALLED, pkg-config, no) +if test "x$PKG_CONFIG_INSTALLED" = "xno"; then + AC_MSG_WARN([You need to install pkg-config]) +fi +PKG_PROG_PKG_CONFIG([0.20]) + dnl check os: some linker flags not available on osx case $host in *-darwin*) |